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whats the idle problem with tbi


jmfp702
06-13-2010, 07:54 AM
i have a rough idle and stalling when i push the gas? i have replaced all vacume lines, i replaced the tps sensor, and i also replaced the iac?, what else could cause these issues?
jdl
06-13-2010, 08:59 AM
What is year of vehicle, engine size? Any applicable trouble codes? Maybe an ignition misfire?
MT-2500
06-13-2010, 09:00 AM
i have a rough idle and stalling when i push the gas? i have replaced all vacume lines, i replaced the tps sensor, and i also replaced the iac?, what else could cause these issues?

Year make and model and engine?

What is the engine vacumn reading idle and speeded up?
Any cylinders missing?

Is EGR valve stuck open or has a carbon ball stuck in plunger?
PCV valve?

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